Bug 1054149 - Fix anFoo coding style violation in content/media.  r=cpearce
Bug 1053658 - Split MSDecoder and MSReader into separate files.  r=cajbir

--HG--
rename : content/media/mediasource/MediaSourceDecoder.cpp => content/media/mediasource/MediaSourceReader.cpp
Bug 1053674 - Remove subclass of StateMachine and use our own task queue.  r=cpearce
Bug 1053682 - Optimize SourceBufferResource::ReadAt/ReadFromCache a little.  r=cajbir
Bug 1053682 - Fix formatting of doubles in SourceBuffer logging.  r=cajbir